SIGMA: investigating mathematics/
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| Format: | Book |
| Language: | English |
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London:
Hodder and Stoughton,
[c1988]
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| Item Description: | SIGMA 1 lists the two main authors in the order, David Kent and Keith Hedger, but the other volumes reverse the order. The subtitle does not appear on the title-pages of either Teacher's book. |
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| Physical Description: | 4 v. : ill. ; 25 cm. |
| ISBN: | 0340397608 0340397586 0340397594 0340489405 |